drivers/net/bonding/rte_eth_bond_api.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <string.h>
  35
  36 #include <rte_mbuf.h>
  37 #include <rte_malloc.h>
  38 #include <rte_ethdev.h>
  39 #include <rte_tcp.h>
  40
  41 #include "rte_eth_bond.h"
  42 #include "rte_eth_bond_private.h"
  43 #include "rte_eth_bond_8023ad_private.h"
  44
  45 #define DEFAULT_POLLING_INTERVAL_10_MS (10)
  46
  47 int
  48 valid_bonded_ethdev(const struct rte_eth_dev *eth_dev)
  49 {
  50         /* Check valid pointer */
  51         if (eth_dev->driver->pci_drv.name == NULL)
  52                 return -1;
  53
  54         /* return 0 if driver name matches */
  55         return eth_dev->driver->pci_drv.name != pmd_bond_driver_name;
  56 }
  57
  58 int
  59 valid_bonded_port_id(uint8_t port_id)
  60 {
  61         if (!rte_eth_dev_is_valid_port(port_id))
  62                 return -1;
  63
  64         return valid_bonded_ethdev(&rte_eth_devices[port_id]);
  65 }
  66
  67 int
  68 valid_slave_port_id(uint8_t port_id)
  69 {
  70         /* Verify that port id's are valid */
  71         if (!rte_eth_dev_is_valid_port(port_id))
  72                 return -1;
  73
  74         /* Verify that port_id refers to a non bonded port */
  75         if (!valid_bonded_ethdev(&rte_eth_devices[port_id]))
  76                 return -1;
  77
  78         return 0;
  79 }
  80
  81 void
  82 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
  83 {
  84         struct bond_dev_private *internals = eth_dev->data->dev_private;
  85         uint8_t active_count = internals->active_slave_count;
  86
  87         if (internals->mode == BONDING_MODE_8023AD)
  88                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
  89
  90         if (internals->mode == BONDING_MODE_TLB
  91                         || internals->mode == BONDING_MODE_ALB) {
  92
  93                 internals->tlb_slaves_order[active_count] = port_id;
  94         }
  95
  96         RTE_VERIFY(internals->active_slave_count <
  97                         (RTE_DIM(internals->active_slaves) - 1));
  98
  99         internals->active_slaves[internals->active_slave_count] = port_id;
 100         internals->active_slave_count++;
 101
 102         if (internals->mode == BONDING_MODE_TLB)
 103                 bond_tlb_activate_slave(internals);
 104         if (internals->mode == BONDING_MODE_ALB)
 105                 bond_mode_alb_client_list_upd(eth_dev);
 106 }
 107
 108 void
 109 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
 110 {
 111         uint8_t slave_pos;
 112         struct bond_dev_private *internals = eth_dev->data->dev_private;
 113         uint8_t active_count = internals->active_slave_count;
 114
 115         if (internals->mode == BONDING_MODE_8023AD) {
 116                 bond_mode_8023ad_stop(eth_dev);
 117                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
 118         } else if (internals->mode == BONDING_MODE_TLB
 119                         || internals->mode == BONDING_MODE_ALB)
 120                 bond_tlb_disable(internals);
 121
 122         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
 123                         port_id);
 124
 125         /* If slave was not at the end of the list
 126          * shift active slaves up active array list */
 127         if (slave_pos < active_count) {
 128                 active_count--;
 129                 memmove(internals->active_slaves + slave_pos,
 130                                 internals->active_slaves + slave_pos + 1,
 131                                 (active_count - slave_pos) *
 132                                         sizeof(internals->active_slaves[0]));
 133         }
 134
 135         RTE_VERIFY(active_count < RTE_DIM(internals->active_slaves));
 136         internals->active_slave_count = active_count;
 137
 138         if (eth_dev->data->dev_started) {
 139                 if (internals->mode == BONDING_MODE_8023AD) {
 140                         bond_mode_8023ad_start(eth_dev);
 141                 } else if (internals->mode == BONDING_MODE_TLB) {
 142                         bond_tlb_enable(internals);
 143                 } else if (internals->mode == BONDING_MODE_ALB) {
 144                         bond_tlb_enable(internals);
 145                         bond_mode_alb_client_list_upd(eth_dev);
 146                 }
 147         }
 148 }
 149
 150 uint8_t
 151 number_of_sockets(void)
 152 {
 153         int sockets = 0;
 154         int i;
 155         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
 156
 157         for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
 158                 if (sockets < ms[i].socket_id)
 159                         sockets = ms[i].socket_id;
 160         }
 161
 162         /* Number of sockets = maximum socket_id + 1 */
 163         return ++sockets;
 164 }
 165
 166 const char *pmd_bond_driver_name = "Link Bonding PMD";
 167
 168 int
 169 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 170 {
 171         struct rte_pci_device *pci_dev = NULL;
 172         struct bond_dev_private *internals = NULL;
 173         struct rte_eth_dev *eth_dev = NULL;
 174         struct eth_driver *eth_drv = NULL;
 175         struct rte_pci_driver *pci_drv = NULL;
 176         struct rte_pci_id *pci_id_table = NULL;
 177         /* now do all data allocation - for eth_dev structure, dummy pci driver
 178          * and internal (private) data
 179          */
 180
 181         if (name == NULL) {
 182                 RTE_BOND_LOG(ERR, "Invalid name specified");
 183                 goto err;
 184         }
 185
 186         if (socket_id >= number_of_sockets()) {
 187                 RTE_BOND_LOG(ERR,
 188                                 "Invalid socket id specified to create bonded device on.");
 189                 goto err;
 190         }
 191
 192         pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, socket_id);
 193         if (pci_dev == NULL) {
 194                 RTE_BOND_LOG(ERR, "Unable to malloc pci dev on socket");
 195                 goto err;
 196         }
 197
 198         eth_drv = rte_zmalloc_socket(name, sizeof(*eth_drv), 0, socket_id);
 199         if (eth_drv == NULL) {
 200                 RTE_BOND_LOG(ERR, "Unable to malloc eth_drv on socket");
 201                 goto err;
 202         }
 203
 204         pci_drv = &eth_drv->pci_drv;
 205
 206         pci_id_table = rte_zmalloc_socket(name, sizeof(*pci_id_table), 0, socket_id);
 207         if (pci_id_table == NULL) {
 208                 RTE_BOND_LOG(ERR, "Unable to malloc pci_id_table on socket");
 209                 goto err;
 210         }
 211         pci_id_table->device_id = PCI_ANY_ID;
 212         pci_id_table->subsystem_device_id = PCI_ANY_ID;
 213         pci_id_table->vendor_id = PCI_ANY_ID;
 214         pci_id_table->subsystem_vendor_id = PCI_ANY_ID;
 215
 216         pci_drv->id_table = pci_id_table;
 217         pci_drv->drv_flags = RTE_PCI_DRV_INTR_LSC;
 218
 219         internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
 220         if (internals == NULL) {
 221                 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
 222                 goto err;
 223         }
 224
 225         /* reserve an ethdev entry */
 226         eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
 227         if (eth_dev == NULL) {
 228                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
 229                 goto err;
 230         }
 231
 232         pci_dev->numa_node = socket_id;
 233         pci_drv->name = pmd_bond_driver_name;
 234         pci_dev->driver = pci_drv;
 235
 236         eth_dev->driver = eth_drv;
 237         eth_dev->data->dev_private = internals;
 238         eth_dev->data->nb_rx_queues = (uint16_t)1;
 239         eth_dev->data->nb_tx_queues = (uint16_t)1;
 240
 241         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 242
 243         eth_dev->data->dev_link.link_status = 0;
 244
 245         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
 246                         socket_id);
 247
 248         eth_dev->data->dev_started = 0;
 249         eth_dev->data->promiscuous = 0;
 250         eth_dev->data->scattered_rx = 0;
 251         eth_dev->data->all_multicast = 0;
 252
 253         eth_dev->dev_ops = &default_dev_ops;
 254         eth_dev->pci_dev = pci_dev;
 255
 256         rte_spinlock_init(&internals->lock);
 257
 258         internals->port_id = eth_dev->data->port_id;
 259         internals->mode = BONDING_MODE_INVALID;
 260         internals->current_primary_port = 0;
 261         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
 262         internals->xmit_hash = xmit_l2_hash;
 263         internals->user_defined_mac = 0;
 264         internals->link_props_set = 0;
 265
 266         internals->link_status_polling_enabled = 0;
 267
 268         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
 269         internals->link_down_delay_ms = 0;
 270         internals->link_up_delay_ms = 0;
 271
 272         internals->slave_count = 0;
 273         internals->active_slave_count = 0;
 274         internals->rx_offload_capa = 0;
 275         internals->tx_offload_capa = 0;
 276
 277         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
 278         memset(internals->slaves, 0, sizeof(internals->slaves));
 279
 280         /* Set mode 4 default configuration */
 281         bond_mode_8023ad_setup(eth_dev, NULL);
 282         if (bond_ethdev_mode_set(eth_dev, mode)) {
 283                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
 284                                  eth_dev->data->port_id, mode);
 285                 goto err;
 286         }
 287
 288         return eth_dev->data->port_id;
 289
 290 err:
 291         rte_free(pci_dev);
 292         rte_free(pci_id_table);
 293         rte_free(eth_drv);
 294         rte_free(internals);
 295
 296         return -1;
 297 }
 298
 299 static int
 300 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 301 {
 302         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
 303         struct bond_dev_private *internals;
 304         struct bond_dev_private *temp_internals;
 305         struct rte_eth_link link_props;
 306         struct rte_eth_dev_info dev_info;
 307
 308         int i, j;
 309
 310         if (valid_slave_port_id(slave_port_id) != 0)
 311                 return -1;
 312
 313         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 314         internals = bonded_eth_dev->data->dev_private;
 315
 316         /* Verify that new slave device is not already a slave of another
 317          * bonded device */
 318         for (i = rte_eth_dev_count()-1; i >= 0; i--) {
 319                 if (valid_bonded_ethdev(&rte_eth_devices[i]) == 0) {
 320                         temp_internals = rte_eth_devices[i].data->dev_private;
 321
 322                         for (j = 0; j < temp_internals->slave_count; j++) {
 323                                 /* Device already a slave of a bonded device */
 324                                 if (temp_internals->slaves[j].port_id == slave_port_id) {
 325                                         RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
 326                                                         slave_port_id);
 327                                         return -1;
 328                                 }
 329                         }
 330                 }
 331         }
 332
 333         slave_eth_dev = &rte_eth_devices[slave_port_id];
 334
 335         /* Add slave details to bonded device */
 336         slave_add(internals, slave_eth_dev);
 337
 338         rte_eth_dev_info_get(slave_port_id, &dev_info);
 339
 340         if (internals->slave_count < 1) {
 341                 /* if MAC is not user defined then use MAC of first slave add to
 342                  * bonded device */
 343                 if (!internals->user_defined_mac)
 344                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
 345
 346                 /* Inherit eth dev link properties from first slave */
 347                 link_properties_set(bonded_eth_dev,
 348                                 &(slave_eth_dev->data->dev_link));
 349
 350                 /* Make primary slave */
 351                 internals->primary_port = slave_port_id;
 352
 353                 /* Take the first dev's offload capabilities */
 354                 internals->rx_offload_capa = dev_info.rx_offload_capa;
 355                 internals->tx_offload_capa = dev_info.tx_offload_capa;
 356
 357         } else {
 358                 /* Check slave link properties are supported if props are set,
 359                  * all slaves must be the same */
 360                 if (internals->link_props_set) {
 361                         if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
 362                                                                           &(slave_eth_dev->data->dev_link))) {
 363                                 RTE_BOND_LOG(ERR,
 364                                                 "Slave port %d link speed/duplex not supported",
 365                                                 slave_port_id);
 366                                 return -1;
 367                         }
 368                 } else {
 369                         link_properties_set(bonded_eth_dev,
 370                                         &(slave_eth_dev->data->dev_link));
 371                 }
 372                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
 373                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
 374         }
 375
 376         internals->slave_count++;
 377
 378         /* Update all slave devices MACs*/
 379         mac_address_slaves_update(bonded_eth_dev);
 380
 381         if (bonded_eth_dev->data->dev_started) {
 382                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
 383                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
 384                                         slave_port_id);
 385                         return -1;
 386                 }
 387         }
 388
 389         /* Register link status change callback with bonded device pointer as
 390          * argument*/
 391         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 392                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
 393
 394         /* If bonded device is started then we can add the slave to our active
 395          * slave array */
 396         if (bonded_eth_dev->data->dev_started) {
 397                 rte_eth_link_get_nowait(slave_port_id, &link_props);
 398
 399                  if (link_props.link_status == 1)
 400                         activate_slave(bonded_eth_dev, slave_port_id);
 401         }
 402         return 0;
 403
 404 }
 405
 406 int
 407 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
 408 {
 409         struct rte_eth_dev *bonded_eth_dev;
 410         struct bond_dev_private *internals;
 411
 412         int retval;
 413
 414         /* Verify that port id's are valid bonded and slave ports */
 415         if (valid_bonded_port_id(bonded_port_id) != 0)
 416                 return -1;
 417
 418         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 419         internals = bonded_eth_dev->data->dev_private;
 420
 421         rte_spinlock_lock(&internals->lock);
 422
 423         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
 424
 425         rte_spinlock_unlock(&internals->lock);
 426
 427         return retval;
 428 }
 429
 430 static int
 431 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
 432 {
 433         struct rte_eth_dev *bonded_eth_dev;
 434         struct bond_dev_private *internals;
 435
 436         int i, slave_idx;
 437
 438         if (valid_slave_port_id(slave_port_id) != 0)
 439                 return -1;
 440
 441         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 442         internals = bonded_eth_dev->data->dev_private;
 443
 444         /* first remove from active slave list */
 445         slave_idx = find_slave_by_id(internals->active_slaves,
 446                 internals->active_slave_count, slave_port_id);
 447
 448         if (slave_idx < internals->active_slave_count)
 449                 deactivate_slave(bonded_eth_dev, slave_port_id);
 450
 451         slave_idx = -1;
 452         /* now find in slave list */
 453         for (i = 0; i < internals->slave_count; i++)
 454                 if (internals->slaves[i].port_id == slave_port_id) {
 455                         slave_idx = i;
 456                         break;
 457                 }
 458
 459         if (slave_idx < 0) {
 460                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
 461                                 internals->slave_count);
 462                 return -1;
 463         }
 464
 465         /* Un-register link status change callback with bonded device pointer as
 466          * argument*/
 467         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
 468                         bond_ethdev_lsc_event_callback,
 469                         &rte_eth_devices[bonded_port_id].data->port_id);
 470
 471         /* Restore original MAC address of slave device */
 472         mac_address_set(&rte_eth_devices[slave_port_id],
 473                         &(internals->slaves[slave_idx].persisted_mac_addr));
 474
 475         slave_remove(internals, &rte_eth_devices[slave_port_id]);
 476
 477         /*  first slave in the active list will be the primary by default,
 478          *  otherwise use first device in list */
 479         if (internals->current_primary_port == slave_port_id) {
 480                 if (internals->active_slave_count > 0)
 481                         internals->current_primary_port = internals->active_slaves[0];
 482                 else if (internals->slave_count > 0)
 483                         internals->current_primary_port = internals->slaves[0].port_id;
 484                 else
 485                         internals->primary_port = 0;
 486         }
 487
 488         if (internals->active_slave_count < 1) {
 489                 /* reset device link properties as no slaves are active */
 490                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
 491
 492                 /* if no slaves are any longer attached to bonded device and MAC is not
 493                  * user defined then clear MAC of bonded device as it will be reset
 494                  * when a new slave is added */
 495                 if (internals->slave_count < 1 && !internals->user_defined_mac)
 496                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
 497                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
 498         }
 499         if (internals->slave_count == 0) {
 500                 internals->rx_offload_capa = 0;
 501                 internals->tx_offload_capa = 0;
 502         }
 503         return 0;
 504 }
 505
 506 int
 507 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
 508 {
 509         struct rte_eth_dev *bonded_eth_dev;
 510         struct bond_dev_private *internals;
 511         int retval;
 512
 513         if (valid_bonded_port_id(bonded_port_id) != 0)
 514                 return -1;
 515
 516         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 517         internals = bonded_eth_dev->data->dev_private;
 518
 519         rte_spinlock_lock(&internals->lock);
 520
 521         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
 522
 523         rte_spinlock_unlock(&internals->lock);
 524
 525         return retval;
 526 }
 527
 528 int
 529 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
 530 {
 531         if (valid_bonded_port_id(bonded_port_id) != 0)
 532                 return -1;
 533
 534         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
 535 }
 536
 537 int
 538 rte_eth_bond_mode_get(uint8_t bonded_port_id)
 539 {
 540         struct bond_dev_private *internals;
 541
 542         if (valid_bonded_port_id(bonded_port_id) != 0)
 543                 return -1;
 544
 545         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 546
 547         return internals->mode;
 548 }
 549
 550 int
 551 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
 552 {
 553         struct bond_dev_private *internals;
 554
 555         if (valid_bonded_port_id(bonded_port_id) != 0)
 556                 return -1;
 557
 558         if (valid_slave_port_id(slave_port_id) != 0)
 559                 return -1;
 560
 561         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
 562
 563         internals->user_defined_primary_port = 1;
 564         internals->primary_port = slave_port_id;
 565
 566         bond_ethdev_primary_set(internals, slave_port_id);
 567
 568         return 0;
 569 }
 570
 571 int
 572 rte_eth_bond_primary_get(uint8_t bonded_port_id)
 573 {
 574         struct bond_dev_private *internals;
 575
 576         if (valid_bonded_port_id(bonded_port_id) != 0)
 577                 return -1;
 578
 579         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 580
 581         if (internals->slave_count < 1)
 582                 return -1;
 583
 584         return internals->current_primary_port;
 585 }
 586
 587 int
 588 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
 589 {
 590         struct bond_dev_private *internals;
 591         uint8_t i;
 592
 593         if (valid_bonded_port_id(bonded_port_id) != 0)
 594                 return -1;
 595
 596         if (slaves == NULL)
 597                 return -1;
 598
 599         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 600
 601         if (internals->slave_count > len)
 602                 return -1;
 603
 604         for (i = 0; i < internals->slave_count; i++)
 605                 slaves[i] = internals->slaves[i].port_id;
 606
 607         return internals->slave_count;
 608 }
 609
 610 int
 611 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
 612                 uint8_t len)
 613 {
 614         struct bond_dev_private *internals;
 615
 616         if (valid_bonded_port_id(bonded_port_id) != 0)
 617                 return -1;
 618
 619         if (slaves == NULL)
 620                 return -1;
 621
 622         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 623
 624         if (internals->active_slave_count > len)
 625                 return -1;
 626
 627         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
 628
 629         return internals->active_slave_count;
 630 }
 631
 632 int
 633 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
 634                 struct ether_addr *mac_addr)
 635 {
 636         struct rte_eth_dev *bonded_eth_dev;
 637         struct bond_dev_private *internals;
 638
 639         if (valid_bonded_port_id(bonded_port_id) != 0)
 640                 return -1;
 641
 642         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 643         internals = bonded_eth_dev->data->dev_private;
 644
 645         /* Set MAC Address of Bonded Device */
 646         if (mac_address_set(bonded_eth_dev, mac_addr))
 647                 return -1;
 648
 649         internals->user_defined_mac = 1;
 650
 651         /* Update all slave devices MACs*/
 652         if (internals->slave_count > 0)
 653                 return mac_address_slaves_update(bonded_eth_dev);
 654
 655         return 0;
 656 }
 657
 658 int
 659 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
 660 {
 661         struct rte_eth_dev *bonded_eth_dev;
 662         struct bond_dev_private *internals;
 663
 664         if (valid_bonded_port_id(bonded_port_id) != 0)
 665                 return -1;
 666
 667         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
 668         internals = bonded_eth_dev->data->dev_private;
 669
 670         internals->user_defined_mac = 0;
 671
 672         if (internals->slave_count > 0) {
 673                 /* Set MAC Address of Bonded Device */
 674                 if (mac_address_set(bonded_eth_dev,
 675                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
 676                                 != 0) {
 677                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
 678                         return -1;
 679                 }
 680                 /* Update all slave devices MAC addresses */
 681                 return mac_address_slaves_update(bonded_eth_dev);
 682         }
 683         /* No need to update anything as no slaves present */
 684         return 0;
 685 }
 686
 687 int
 688 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
 689 {
 690         struct bond_dev_private *internals;
 691
 692         if (valid_bonded_port_id(bonded_port_id) != 0)
 693                 return -1;
 694
 695         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 696
 697         switch (policy) {
 698         case BALANCE_XMIT_POLICY_LAYER2:
 699                 internals->balance_xmit_policy = policy;
 700                 internals->xmit_hash = xmit_l2_hash;
 701                 break;
 702         case BALANCE_XMIT_POLICY_LAYER23:
 703                 internals->balance_xmit_policy = policy;
 704                 internals->xmit_hash = xmit_l23_hash;
 705                 break;
 706         case BALANCE_XMIT_POLICY_LAYER34:
 707                 internals->balance_xmit_policy = policy;
 708                 internals->xmit_hash = xmit_l34_hash;
 709                 break;
 710
 711         default:
 712                 return -1;
 713         }
 714         return 0;
 715 }
 716
 717 int
 718 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
 719 {
 720         struct bond_dev_private *internals;
 721
 722         if (valid_bonded_port_id(bonded_port_id) != 0)
 723                 return -1;
 724
 725         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 726
 727         return internals->balance_xmit_policy;
 728 }
 729
 730 int
 731 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
 732 {
 733         struct bond_dev_private *internals;
 734
 735         if (valid_bonded_port_id(bonded_port_id) != 0)
 736                 return -1;
 737
 738         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 739         internals->link_status_polling_interval_ms = internal_ms;
 740
 741         return 0;
 742 }
 743
 744 int
 745 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
 746 {
 747         struct bond_dev_private *internals;
 748
 749         if (valid_bonded_port_id(bonded_port_id) != 0)
 750                 return -1;
 751
 752         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 753
 754         return internals->link_status_polling_interval_ms;
 755 }
 756
 757 int
 758 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 759
 760 {
 761         struct bond_dev_private *internals;
 762
 763         if (valid_bonded_port_id(bonded_port_id) != 0)
 764                 return -1;
 765
 766         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 767         internals->link_down_delay_ms = delay_ms;
 768
 769         return 0;
 770 }
 771
 772 int
 773 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
 774 {
 775         struct bond_dev_private *internals;
 776
 777         if (valid_bonded_port_id(bonded_port_id) != 0)
 778                 return -1;
 779
 780         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 781
 782         return internals->link_down_delay_ms;
 783 }
 784
 785 int
 786 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
 787
 788 {
 789         struct bond_dev_private *internals;
 790
 791         if (valid_bonded_port_id(bonded_port_id) != 0)
 792                 return -1;
 793
 794         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 795         internals->link_up_delay_ms = delay_ms;
 796
 797         return 0;
 798 }
 799
 800 int
 801 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
 802 {
 803         struct bond_dev_private *internals;
 804
 805         if (valid_bonded_port_id(bonded_port_id) != 0)
 806                 return -1;
 807
 808         internals = rte_eth_devices[bonded_port_id].data->dev_private;
 809
 810         return internals->link_up_delay_ms;
 811 }